1 # Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> and all contributors
2 # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
3 package PublicInbox::Feed;
6 use XML::Atom::SimpleFeed;
9 use URI::Escape qw/uri_escape/;
10 use Encode qw/encode decode/;
11 use Encode::MIME::Header;
12 use CGI qw(escapeHTML);
13 use POSIX qw(strftime);
14 use Date::Parse qw(strptime);
15 use constant DATEFMT => '%Y-%m-%dT%H:%M:%SZ';
16 use PublicInbox::View;
20 my ($class, $args) = @_;
21 my $max = $args->{max} || 25;
22 my $top = $args->{top}; # bool
24 local $ENV{GIT_DIR} = $args->{git_dir};
25 my $feed_opts = get_feedopts($args);
27 my $feed = XML::Atom::SimpleFeed->new(
28 title => $feed_opts->{description} || "unnamed feed",
29 link => $feed_opts->{url} || "http://example.com/",
32 href => $feed_opts->{atomurl} ||
33 "http://example.com/atom",
35 id => $feed_opts->{address} || 'public-inbox@example.com',
36 updated => strftime(DATEFMT, gmtime),
39 each_recent_blob($max, sub {
41 add_to_feed($feed_opts, $feed, $add, $top);
47 sub each_recent_blob {
51 # we could use git log -z, but, we already know ssoma will not
52 # leave us with filenames with spaces in them..
53 my $cmd = "git log --no-notes --no-color --raw -r --no-abbrev HEAD |";
54 my $pid = open my $log, $cmd or die "open `$cmd' pipe failed: $!\n";
57 foreach my $line (<$log>) {
58 if ($line =~ /^:000000 100644 0{40} ([a-f0-9]{40})/) {
60 next if $deleted{$add};
63 } elsif ($line =~ /^:100644 000000 ([a-f0-9]{40}) 0{40}/) {
71 # private functions below
74 my $pi_config = $args->{pi_config};
75 my $listname = $args->{listname};
76 my $cgi = $args->{cgi};
79 if ($pi_config && defined $listname && length $listname) {
80 foreach my $key (qw(description address)) {
81 $rv{$key} = $pi_config->get($listname, $key);
85 my $cgi_url = $cgi->self_url;
86 my $url_base = $cgi_url;
87 $url_base =~ s!/?(?:index|all)\.atom\.xml\z!!;
88 $rv{url} ||= "$url_base/";
89 $rv{midurl} = "$url_base/mid/";
90 $rv{fullurl} = "$url_base/full/";
91 $rv{atomurl} = $cgi_url;
98 my ($mime, $name) = @_;
99 encode('utf8', decode('MIME-Header', $mime->header($name)));
104 my @t = eval { strptime($date) };
106 scalar(@t) ? strftime(DATEFMT, @t) : 0;
109 # returns 0 (skipped) or 1 (added)
111 my ($feed_opts, $feed, $add, $top) = @_;
113 # we can use git cat-file --batch if performance becomes a
114 # problem, but I doubt it...
115 my $str = `git cat-file blob $add`;
117 my $mime = Email::MIME->new($str);
119 if ($top && $mime->header("In-Reply-To")) {
123 my $midurl = $feed_opts->{midurl} || 'http://example.com/mid/';
124 my $fullurl = $feed_opts->{fullurl} || 'http://example.com/full/';
126 my $content = PublicInbox::View->as_feed_entry($mime, $fullurl);
127 defined($content) or return 0;
129 my $mid = utf8_header($mime, "Message-ID") or return 0;
133 my $subject = utf8_header($mime, "Subject") || "";
134 defined($subject) && length($subject) or return 0;
136 my $from = utf8_header($mime, "From") or return 0;
138 my @from = Email::Address->parse($from);
139 my $name = $from[0]->name;
140 defined $name or $name = "";
141 my $email = $from[0]->address;
142 defined $email or $email = "";
144 my $url = $midurl . uri_escape($mid);
145 my $date = utf8_header($mime, "Date");
147 $date = feed_date($date) or return 0;
149 author => { name => $name, email => $email },
152 content => { type => "html", content => $content },